Pop/Rock
Pop/Rock
Ozzy Osbourne 95
OneRepublic 70
One Direction 29
Oasis 70
Olivia Newton-John 71
Orchestral Manoeuvres In The Dark 46
Owl City 52
Of Monsters And Men 14
Olly Murs 20
Opeth 51
Overkill 63
Old Crow Medicine Show 19
Orbital 60
Old Dominion 22
Outlaws 23
Oingo Boingo 38NEW
Olivia Rodrigo 20
Ozric Tentacles 53
Orleans 18
O.A.R. 24NEW
Old 97's 29
Ocean Colour Scene 63
Orianthi 12
Of Mice & Men 20
Omega 77
Ozark Mountain Daredevils 5
Omi 4
Omarion 16
Our Lady Peace 22
Odesza 16
Obituary 27
Olafur Arnalds 28
OK GO 12
Our Last Night 96
Omar & the Howlers 25
Orb 5
Ofra Haza 31
Otherwise 13
Oleta Adams 11
Otep 12
Orange Juice 13
Orange Goblin 11
Opus 27
Okkervil River 18
Of Montreal 31
One Ok Rock 28
Over The Rhine 26
Ohio Express 4
Oh Wonder 16NEW
Ola 6
Oomph! 42
Oysterband 19
Onslaught 14
Orville Peck 10
The Ocean 26
Orden Ogan 14
Oliver 9
Operation Ivy 5
Omen 9
Outsiders 7
Ornella Vanoni 12
Ozomatli 10
Os Mutantes 28
Orchid 11
Orphaned Land 13
Outcast 4
Oh Land 11
Oriya 
Outasight 10
Oliver Tree 17
Ottawan 26
OSI 9
Operation: Mindcrime 4
Oceansize 21
Obsession 7
Other Lives 8
Orbit Culture 14
OM 14
Ofenbach 10
Obscura 8
Orion 23
O-Zone 4
Odin 10
Olive 6
One Desire 4
Oz 15
One Less Reason 9
Omnium Gatherum 16
Overland 8
Outlandish 5
One Night Only 4
Oh, Sleeper 5
Oliver Koletzki 21
Orpheus 9
Osanna 12
Otto Knows 3
Oleander 6
Offer Nissim 12
O-Town 3
- NEW — Artist has been updated in past 30 days
- Artist 3 — number of albums
